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SoPrimitiveVertexCache.h
00001 #ifndef COIN_SOPRIMITIVEVERTEXCACHE_H
00002 #define COIN_SOPRIMITIVEVERTEXCACHE_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/caches/SoCache.h>
00028 #include <Inventor/system/gl.h>
00029 #include <Inventor/SbVec3f.h>
00030 #include <Inventor/SbVec4f.h>
00031 #include <Inventor/SbVec2f.h>
00032 #include <Inventor/tools/SbPimplPtr.h>
00033 
00034 class SoPrimitiveVertexCacheUtil;
00035 class SoPrimitiveVertexCacheP;
00036 class SoPrimitiveVertex;
00037 class SoPointDetail;
00038 class SoState;
00039 
00040 class COIN_DLL_API SoPrimitiveVertexCache : public SoCache {
00041   typedef SoCache inherited;
00042 public:
00043   SoPrimitiveVertexCache(SoState * state);
00044   virtual ~SoPrimitiveVertexCache();
00045 
00046   enum Arrays {
00047     NORMAL = 0x01,
00048     TEXCOORD = 0x02,
00049     COLOR = 0x04,
00050     ALL = (NORMAL|TEXCOORD|COLOR)
00051   };
00052 
00053   void renderTriangles(SoState * state, const int arrays = ALL) const;
00054   void renderLines(SoState * state, const int arrays = ALL) const;
00055   void renderPoints(SoState * state, const int array = ALL) const;
00056 
00057   void addTriangle(const SoPrimitiveVertex * v0,
00058                    const SoPrimitiveVertex * v1,
00059                    const SoPrimitiveVertex * v2,
00060                    const int * pointdetailidx = NULL);
00061   void addLine(const SoPrimitiveVertex * v0,
00062                const SoPrimitiveVertex * v1);
00063   void addPoint(const SoPrimitiveVertex * v);
00064 
00065   int getNumVertices(void) const;
00066   const SbVec3f * getVertexArray(void) const;
00067   const SbVec3f * getNormalArray(void) const;
00068   const SbVec4f * getTexCoordArray(void) const;
00069   const SbVec2f * getBumpCoordArray(void) const;
00070   const uint8_t * getColorArray(void) const;
00071 
00072   int getNumTriangleIndices(void) const;
00073   const GLint * getTriangleIndices(void) const;
00074   int32_t getTriangleIndex(const int idx) const;
00075 
00076   SbBool colorPerVertex(void) const;
00077   const SbVec4f * getMultiTextureCoordinateArray(const int unit) const;
00078 
00079   int getNumLineIndices(void) const;
00080   const GLint * getLineIndices(void) const;
00081 
00082   int getNumPointIndices(void) const;
00083   const GLint * getPointIndices(void) const;
00084 
00085   void fit(void);
00086   void depthSortTriangles(SoState * state);
00087 
00088 private:
00089   SbPimplPtr<SoPrimitiveVertexCacheP> pimpl;
00090 
00091   SoPrimitiveVertexCache(const SoPrimitiveVertexCache & rhs); // N/A
00092   SoPrimitiveVertexCache & operator = (const SoPrimitiveVertexCache & rhs); // N/A
00093 
00094   friend class SoPrimitiveVertexCacheUtil;
00095 };
00096 
00097 // temporary, internal class used to fix a bug without breaking the API/ABI.
00098 // the bug is fixed properly in Coin-4
00099 class SoPrimitiveVertexCacheUtil {
00100 public:
00101   static SbBool testValid(SoPrimitiveVertexCache * cache, SoState * state);
00102   static void close(SoPrimitiveVertexCache * cache, SoState * state);
00103 };
00104 
00105 #endif // COIN_SOPRIMITIVEVERTEXCACHE_H

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